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Finding the Fourth Proportional to 433,301.69, 650,058.89 and 305,467.78

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Solution

The fourth proportional to 433,301.69, 650,058.89 and 305,467.78 is: 458,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,301.69 : 650,058.89 = 305,467.78 : x
  2. Step 2: Convert to fraction form
    433,301.69/650,058.89 = 305,467.78/x
  3. Step 3: Cross multiply
    433,301.69x = 650,058.89 × 305,467.78
  4. Step 4: Simplify right side
    433,301.69x = 198,572,045,997.56
  5. Step 5: Solve for x
    x = 198,572,045,997.56/433,301.69
  6. Step 6: Final answer
    x = 458,276.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.